var Constants = {
	SYNTAX_ERROR: 1,
	Socket: {
		OK: 0,
		NETWORK_UNREACHABLE: 1,
		HOST_UNREACHABLE: 2,
		PORT_UNREACHABLE: 3,
		NOT_CONNECTED: 4
	},
	RPC: {
		RPC_BUSY: 1,
		SERVICE_UNREACHABLE: 2,
		METHOD_UNREACHABLE: 3
	},
	FS: {
		NO_FILE: 1,
		NO_DIR: 2,
		DIR_EXISTS: 3,
		FILE_EXISTS: 4,
		FILE_BUSY: 5,
		ILLEGAL_SEEK: 6
		
	},
	HDFS: {
		CLIENT_NO_LEASE: 1,
		PREV_BLOCK_BUSY: 2,
		INSUFF_REPLICATION: 3
	}
};